Definition of combat noun from the Oxford Advanced Learner's Dictionary

 

combat

 noun
noun
BrE BrE//ˈkɒmbæt//
 
; NAmE NAmE//ˈkɑːmbæt//
 
Conflict
 
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[uncountable, countable] fighting or a fight, especially during a time of war He was killed in combat. armed/unarmed combat (= with/without weapons) combat troops combat boots aerial combat see also single combat See related entries: Conflict Word Origin mid 16th cent. (originally denoting a fight between two people or parties): from French combattre (verb), from late Latin combattere, from com- ‘together with’ + battere, variant of Latin batuere ‘to fight’.Extra examples Our platoon has yet to see combat. The soldiers are in combat with rebel forces. The troops were locked in hand-to-hand combat. a fierce combat between two champions in mortal combat against dragons Hardly any enemy combat aircraft have been destroyed. Knightly combats were only a very small part of medieval warfare. Knights were expected to prove their bravery by single combat.
See the Oxford Advanced American Dictionary entry: combat